2004 ISUZU TF SERIES engine

6D – 34 ENGINE ELECTRICAL
MEMO

4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–1
ENGINE
CONTENTS
4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
ABBREVIATION CHARTS ........................ 6E-9
4JA1-TC .................................................... 6E-10
4JH1-TC .................................................... 6E-11
ECM CIRCUIT DIAGRAM (4JA1-TC) ........ 6E-14
ECM CIRCUIT DIAGRAM (4JA1-TC) ........ 6E-15
ECM CIRCUIT DIAGRAM (4JH1-TC) ........ 6E-16
ECM CIRCUIT DIAGRAM (4JH1-TC) ........ 6E-17
GROUND POINT CHART GENERAL EXPORT
(LHD) (1/4) ............................................... 6E-18
LOCATION ................................................ 6E-34
PARTS LOCATION ................................... 6E-39
CONNECTOR LIST ................................... 6E-40
RELAY AND FUSE .................................... 6E-43
RELAY AND FUSE BOX LOCATION
(LHD & RHD) ........................................... 6E-43
RELAY AND FUSE BOX LOCATION
(LHD & RHD) ........................................... 6E-44
FUSE AND RELAY LOCATION (LHD & RHD) 6E-45
ECM WIRING DIAGRAM (1/7) .................. 6E-46
ECM WIRING DIAGRAM (2/7) .................. 6E-47
ECM WIRING DIAGRAM (3/7) .................. 6E-48
ECM WIRING DIAGRAM (4/7) .................. 6E-49
ECM WIRING DIAGRAM (5/7) .................. 6E-50
ECM WIRING DIAGRAM (6/7) .................. 6E-51
ECM WIRING DIAGRAM (7/7) .................. 6E-52
ECM CONNECTOR PIN ASSIGNMENT &
OUTPUT SIGNAL .................................... 6E-53
GENERAL DESCRIPTION FOR ECM AND
SENSORS ............................................... 6E-64
Engine Control Module (ECM) ................... 6E-64
Pump Control Unit (PSG) & Data Ex change
Between Control Module ......................... 6E-64
Mass Air Flow (MAF) Sensor & Intake Air
Temperature (IAT) Sensor ....................... 6E-65
Throttle Position Sensor (TPS) .................. 6E-66
Crankshaft Position (CKP) Sensor ............ 6E-66
Engine Coolant Temperature (ECT) Sensor 6E-67
Vehicle Speed Sensor (VSS) .................... 6E-67
GENERAL DESCRIPTION FOR EGR
(EXHAUST GAS RE-CIRCULATION) ..... 6E-68
GENERAL DESCRIPTION FOR
INJECTION PUMP .................................. 6E-70Outline ....................................................... 6E-70
Cross-section View .................................... 6E-70
Low Pressure Fuel Circuit .......................... 6E-71
High Pressure Fuel Circuit ......................... 6E-72
Pump Camshaft Speed Sensor ................. 6E-72
High Pressure Solenoid Valve ................... 6E-73
Timing Control Valve (TCV) ....................... 6E-74
ISUZU Strategy Based Diagnostics .............. 6E-76
Overview .................................................... 6E-76
STRATEGY BASED DIAGNOSTICS CHART 6E-76
Diagnostic Thought Process ...................... 6E-77
1. Verify the Complaint .............................. 6E-77
2. Perform Preliminary Checks .................. 6E-77
3. Check Bulletins and Troubleshooting Hints 6E-78
4. Perform Service Manual Diagnostic Checks 6E-78
5a and 5b. Perform Service Manual Diagnostic
Procedures .............................................. 6E-78
5c. Technician Self Diagnoses .................. 6E-78
5d. Intermittent Diagnosis .......................... 6E-79
5e. Vehicle Operates as Designed ............ 6E-80
6. Re-examine the complaint ..................... 6E-81
7. Repair and Verify Fix ............................. 6E-81
GENERAL SERVICE INFORMATION ....... 6E-82
ON-BOARD DIAGNOSTIC (OBD) ............. 6E-82
TECH 2 OPERATING FLOW CART
(START UP) ............................................. 6E-86
TYPICAL SCAN DATA & DEFINITIONS
(ENGINE DATA) ................................... 6E-88
TYPICAL SCAN DATA & DEFINITIONS
(ENGINE DATA) ................................... 6E-90
MISCELLANEOUS TEST .......................... 6E-92
Plotting Snapshot Graph ............................ 6E-93
Plotting Graph Flow Chart (Plotting graph
after obtaining vehicle information) .......... 6E-94
Flow Chart for Snapshot Replay
(Plotting Graph) ....................................... 6E-95
SNAPSHOT DISPLAY WITH TIS2000 ...... 6E-96
ON-BOARD DIAGNOSTIC (OBD) SYSTEM
CHECK .................................................... 6E-105
Circuit Description ...................................... 6E-105
Diagnostic Aids .......................................... 6E-105
Test Description ......................................... 6E-105

6E–2 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
On-Board Diagnostic (OBD) System Check 6E-106
NO CHECK ENGINE LAMP (MIL) ............. 6E-109
Circuit Description ..................................... 6E-109
Diagnostic Aids .......................................... 6E-109
No Check Engine Lamp (MIL) ................... 6E-110
CHECK ENGINE LAMP (MIL) “ON” STEADY 6E-112
Circuit description ...................................... 6E-112
Diagnostic Aids .......................................... 6E-112
Check Engine Lamp (MIL) On Steady ....... 6E-113
ECM Diagnostic Trouble Codes ................ 6E-114
DIAGNOSTIC TROUBLE CODE (DTC) P0100
(SYMPTOM CODE 7) (FLASH CODE 65)
MASS AIR FLOW (MAF) SENSOR
VOLTAGE SUPPLY CIRCUIT HIGH INPUT 6E-128
DIAGNOSTIC TROUBLE CODE (DTC) P0100
(SYMPTOM CODE 9) (FLASH CODE 65)
MASS AIR FLOW (MAF) SENSOR
VOLTAGE SUPPLY CIRCUIT LOW INPUT 6E-128
DIAGNOSTIC TROUBLE CODE (DTC) P0100
(SYMPTOM CODE B) (FLASH CODE 65)
MASS AIR FLOW (MAF) SENSOR OUTPUT
CIRCUIT LOW INPUT ............................. 6E-128
DIAGNOSTIC TROUBLE CODE (DTC) P0100
(SYMPTOM CODE C) (FLASH CODE 65)
MASS AIR FLOW (MAF) SENSOR OUTPUT
CIRCUIT HIGH INPUT ............................ 6E-128
Circuit Description ..................................... 6E-129
Diagnostic Aids .......................................... 6E-129
Diagnostic Trouble Code (DTC) P0100
(Symptom Code 7) (Flash Code 65) Mass
Air Flow (MAF) Sensor Voltage Supply
Circuit High Input ..................................... 6E-129
Diagnostic Trouble Code (DTC) P0100
(Symptom Code 9) (Flash Code 65) Mass
Air Flow (MAF) Sensor Voltage Supply
Circuit Low Input ...................................... 6E-132
Diagnostic Trouble Code (DTC) P0100
(Symptom Code B) (Flash Code 65) Mass
Air Flow (MAF) Sensor Output Circuit Low
Input ......................................................... 6E-134
Diagnostic Trouble Code (DTC) P0100 (Symptom
Code C) (Flash Code 65) Mass Air Flow (MAF)
Sensor Output Circuit High Input ............. 6E-137
DIAGNOSTIC TROUBLE CODE (DTC) P0105
(SYMPTOM CODE 1) (FLASH CODE 34)
VACUUM PRESSURE SENSOR CIRCUIT HIGH
INPUT ...................................................... 6E-140
DIAGNOSTIC TROUBLE CODE (DTC) P0105
(SYMPTOM CODE 2) (FLASH CODE 34)
VACUUM PRESSURE SENSOR CIRCUIT
LOW INPUT ............................................. 6E-140
DIAGNOSTIC TROUBLE CODE (DTC) P0105
(SYMPTOM CODE 7) (FLASH CODE 34) VACUUM PRESSURE SENSOR VOLTAGE
SUPPLY CIRCUIT HIGH INPUT ............. 6E-140
DIAGNOSTIC TROUBLE CODE (DTC) P0105
(SYMPTOM CODE 9) (FLASH CODE 34)
VACUUM PRESSURE SENSOR VOLTAGE
SUPPLY CIRCUIT LOW INPUT .............. 6E-140
Circuit description ...................................... 6E-141
Diagnostic Aids .......................................... 6E-141
Diagnostic Trouble Code (DTC) P0105
(Symptom Code 1) (Flash Code 34) Vacuum
Pressure Sensor Circuit High Input ......... 6E-142
Diagnostic Trouble Code (DTC) P0105
(Symptom Code 2) (Flash Code 34) Vacuum
Pressure Sensor Circuit Low Input ........... 6E-145
Diagnostic Trouble Code (DTC) P0105
(Symptom Code 7) (Flash Code 34) Vacuum
Pressure Sensor Voltage Supply Circuit
High Input ................................................. 6E-148
Diagnostic Trouble Code (DTC) P0105
(Symptom Code 9) (Flash Code 34) Vacuum
Pressure Sensor Voltage Supply Circuit Low
Input .......................................................... 6E-150
DIAGNOSTIC TROUBLE CODE (DTC) P0110
(SYMPTOM CODE 1) (FLASH CODE 23)
INTAKE AIR TEMPERATURE (IAT) SENSOR
CIRCUIT HIGH INPUT ............................ 6E-152
DIAGNOSTIC TROUBLE CODE (DTC) P0110
(SYMPTOM CODE 2) (FLASH CODE 23)
INTAKE AIR TEMPERATURE (IAT) SENSOR
CIRCUIT LOW INPUT ............................. 6E-152
Circuit Description ...................................... 6E-152
Diagnostic Aids .......................................... 6E-153
Diagnostic Trouble Code (DTC) P0110
(Symptom Code 1) (Flash Code 23) Intake Air
Temperature (IAT) Sensor Circuit High Input 6E-153
Diagnostic Trouble Code (DTC) P0110
(Symptom Code 2) (Flash Code 23) Intake Air
Temperature (IAT) Sensor Circuit Low Input 6E-157
DIAGNOSTIC TROUBLE CODE (DTC) P0115
(SYMPTOM CODE 1) (FLASH CODE 14)
ENGINE COOLANT TEMPERATURE SENSOR
CIRCUIT HIGHINPUT ............................. 6E-160
DIAGNOSTIC TROUBLE CODE (DTC) P0115
(SYMPTOM CODE 2) (FLASH CODE 14)
ENGINE COOLANT TEMPERATURE SENSOR
CIRCUIT LOW INPUT ............................. 6E-160
Circuit Description ...................................... 6E-160
Diagnostic Aids .......................................... 6E-161
Diagnostic Trouble Code (DTC) P0115
(Symptom Code 1) (Flash Code 14) Engine
Coolant Temperature Sensor Circuit
HighInput ................................................. 6E-161
Diagnostic Trouble Code (DTC) P0115

4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–3
(Symptom Code 2) (Flash Code 14) Engine
Coolant Temperature Sensor Circuit
LowInput .................................................. 6E-165
DIAGNOSTIC TROUBLE CODE (DTC) P0180
(SYMPTOM CODE B) (FLASH CODE 15)
FUEL TEMPERATURE SENSOR CIRCUIT
RANGE/PERFORMANCE ....................... 6E-168
Circuit Description ..................................... 6E-168
Diagnostic Aids .......................................... 6E-168
Diagnostic Trouble Code (DTC) P0180
(Symptom Code B) (Flash Code 15) Fuel
Temperature Sensor Circuit
Range/Performance ................................ 6E-169
DIAGNOSTIC TROUBLE CODE (DTC) P0215
(SYMPTOM CODE A) (FLASH CODE 52)
FUEL CUTOFF SOLENOID VALVE
MALFUNCTION ....................................... 6E-170
DIAGNOSTIC TROUBLE CODE (DTC) P0215
(SYMPTOM CODE B) (FLASH CODE 52)
FUEL CUTOFF SOLENOID VALVE
CIRCUIT HIGH INPUT ............................ 6E-170
DIAGNOSTIC TROUBLE CODE (DTC) P0215
(SYMPTOM CODE C) (FLASH CODE 52)
FUEL CUTOFF SOLENOID VALVE ALWAYS
ACTIVE .................................................... 6E-170
DIAGNOSTIC TROUBLE CODE (DTC) P0215
(SYMPTOM CODE D) (FLASH CODE 52)
FUEL CUTOFF SOLENOID VALVE
MALFUNCTION ....................................... 6E-170
Circuit Description ..................................... 6E-171
Diagnostic Aids .......................................... 6E-171
Diagnostic Trouble Code (DTC) P0215
(Symptom Code A) (Flash Code 52) Fuel
Cutoff Solenoid Valve Malfunction ........... 6E-171
Diagnostic Trouble Code (DTC) P0215
(Symptom Code B) (Flash Code 52) Fuel
Cutoff Solenoid Valve Circuit High Input . 6E-173
Diagnostic Trouble Code (DTC) P0215
(Symptom Code C) (Flash Code 52) Fuel
Cutoff Solenoid Valve Always Active ....... 6E-175
Diagnostic Trouble Code (DTC) P0215
(Symptom Code D) (Flash Code 52) Fuel
Cutoff Solenoid Valve Malfunction ........... 6E-177
DIAGNOSTIC TROUBLE CODE (DTC) P0216
(SYMPTOM CODE A) (FLASH CODE 54)
INJECTION TIMING CONTROL CIRCUIT
MALFUNCTION ....................................... 6E-178
DIAGNOSTIC TROUBLE CODE (DTC) P0216
(SYMPTOM CODE B) (FLASH CODE 54)
INJECTION TIMING CONTROL CIRCUIT
MALFUNCTION ....................................... 6E-178
Circuit Description ..................................... 6E-179
Diagnostic Aids .......................................... 6E-179Diagnostic Trouble Code (DTC) P0216
(Symptom Code A) (Flash Code 54) Injection
Timing Control Circuit Malfunction ........... 6E-180
Diagnostic Trouble Code (DTC) P0216
(Symptom Code B) (Flash Code 54) Injection
Timing Control Circuit Malfunction ........... 6E-180
DIAGNOSTIC TROUBLE CODE (DTC) P0243
(SYMPTOM CODE 3) (FLASH CODE 64)
TURBOCHARGER WASTEGATE
SOLENOID "A" RANGE/PERFORMANCE 6E-183
DIAGNOSTIC TROUBLE CODE (DTC) P0243
(SYMPTOM CODE 4) (FLASH CODE 64)
TURBOCHARGER WASTEGATE
SOLENOID"A" LOW ................................ 6E-183
DIAGNOSTIC TROUBLE CODE (DTC) P0243
(SYMPTOM CODE 4) (FLASH CODE 64)
TURBOCHARGER WASTEGATE
SOLENOID "A" LOW ............................... 6E-183
DIAGNOSTIC TROUBLE CODE (DTC) P0243
(SYMPTOM CODE 5) (FLASH CODE 64)
TURBOCHARGER WASTEGATE
SOLENOID "A" RANGE/PERFORMANCE 6E-183
DIAGNOSTIC TROUBLE CODE (DTC) P0243
(SYMPTOM CODE 6) (FLASH CODE 64)
TURBOCHARGER WASTEGATE
SOLENOID "A" MALFUNCTION ............. 6E-183
DIAGNOSTIC TROUBLE CODE (DTC) P0243
(SYMPTOM CODE 8) (FLASH CODE 64)
TURBOCHARGER WASTEGATE
SOLENOID"A" HIGH ............................... 6E-183
Circuit description ...................................... 6E-184
Diagnostic Aids .......................................... 6E-184
Diagnostic Trouble Code (DTC) P0243
(Symptom Code 3) (Flash Ccode 64)
Turbocharger Wastegate Solenoid
"A" Range/Performance ........................... 6E-185
Diagnostic Trouble Code (DTC) P0243
(Symptom Code 4) (Flash Code 64)
Turbocharger Wastegate Solenoid "A" Low 6E-187
Diagnostic Trouble Code (DTC) P0243
(Symptom Code 5) (Flash Code 64)
Turbocharger Wastegate Solenoid "A"
Range/Performance ................................ 6E-190
Diagnostic Trouble Code (DTC) P0243
(Symptom Code 6) (Flash Code 64)
Turbocharger Wastegate Solenoid "A"
Malfunction .............................................. 6E-192
Diagnostic Trouble Code (DTC) P0243
(Symptom Code 8) (Flash Code 64)
Turbocharger Wastegate Solenoid "A" High 6E-194
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE 6)
(FLASH CODE 53) INJECTION PUMP

6E–4 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
MALFUNCTION ....................................... 6E-196
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE 7) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION ....... 6E-196
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE 9) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION ....... 6E-196
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE A) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION ....... 6E-196
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE B) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION ....... 6E-196
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE D) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION ....... 6E-196
DIAGNOSTIC TROUBLE CODE (DTC) P0251
(SYMPTOM CODE E) (FLASH CODE 53)
INJECTION PUMP MALFUNCTION ....... 6E-196
Circuit Description ..................................... 6E-197
Diagnostic Aids .......................................... 6E-197
Diagnostic Trouble Code (DTC) P0251
(Symptom Code 6) (Flash Code 53)
Injection Pump Malfunction ..................... 6E-197
Diagnostic Trouble Code (DTC) P0251
(Symptom Code 7) (Flash Code 53)
Injection Pump Malfunction ..................... 6E-199
Diagnostic Trouble Code (DTC) P0251
(Symptom Code 9) (Flash Code 53)
Injection Pump Malfunction ..................... 6E-203
Diagnostic Trouble Code (DTC) P0251
(Symptom Code A) (Flash Code 53)
Injection Pump Malfunction ..................... 6E-204
Diagnostic Trouble Code (DTC) P0251
(Symptom Code B) (Flash Code 53)
Injection Pump Malfunction ..................... 6E-205
Diagnostic Trouble Code (DTC) P0251
(Symptom Code D) (Flash Code 53)
Injection Pump Malfunction ..................... 6E-206
Diagnostic Trouble Code (DTC) P0251
(Symptom Code E) (Flash Code 53)
Injection Pump Malfunction ..................... 6E-207
DIAGNOSTIC TROUBLE CODE (DTC) P0335
(SYMPTOM CODE B) (FLASH CODE 43)
CRANKSHAFT POSITION SENSOR
CIRCUIT MALFUNCTION ....................... 6E-208
DIAGNOSTIC TROUBLE CODE (DTC) P0335
(SYMPTOM CODE D) (FLASH CODE 43)
CRANKSHAFT POSITION SENSOR
MALFUNCTION ....................................... 6E-208
DIAGNOSTIC TROUBLE CODE (DTC) P0335
(SYMPTOM CODE E) (FLASH CODE 43)
ENGINE SPEED INPUT CIRCUITRANGE/PERFORMANCE ....................... 6E-208
Circuit Description ...................................... 6E-209
Diagnostic Aids .......................................... 6E-209
Diagnostic Trouble Code (DTC) P0335
(Symptom Code B) (Flash Code 43)
Crankshaft Position Sensor Circuit
Malfunction .............................................. 6E-209
Diagnostic Trouble Code (DTC) P0335
(Symptom Code D) (Flash Code 43)
Crankshaft Position Sensor Malfunction .. 6E-209
Diagnostic Trouble Code (DTC) P0335
(Symptom Code E) (Flash Code 43) Engine
Speed Input Circuit Range/Performance . 6E-214
DIAGNOSTIC TROUBLE CODE (DTC) P0380
(SYMPTOM CODE 4) (FLASH CODE 66)
GLOW RELAY CIRCUIT VOLTAGE LOW 6E-217
DIAGNOSTIC TROUBLE CODE (DTC) P0380
(SYMPTOM CODE 8) (FLASH CODE 66)
GLOW RELAY CIRCUIT VOLTAGE HIGH 6E-217
Circuit Description ...................................... 6E-217
Diagnostic Aids .......................................... 6E-217
Diagnostic Trouble Code (DTC) P0380
(Symptom Code 4) (Flash Code 66)
Glow Relay Circuit Voltage Low .............. 6E-218
Diagnostic Trouble Code (DTC) P0380
(Symptom Code 8) (Flash Code 66) Glow
Relay Circuit Voltage High ....................... 6E-221
DIAGNOSTIC TROUBLE CODE (DTC) P0381
(SUB CODE 4) (FLASH CODE 67) GLOW PLUG
INDICATOR CIRCUIT VOLTAGE LOW .. 6E-222
DIAGNOSTIC TROUBLE CODE (DTC) P0381
(SUB CODE 8) (FLASH CODE 67) GLOW PLUG
INDICATOR CIRCUIT VOLTAGE HIGH . 6E-222
Circuit Description ...................................... 6E-222
Diagnostic Aids .......................................... 6E-222
Diagnostic Trouble Code (DTC) P0381
(Symptom Code 4) (Flash Code 67) Glow
Plug Indicator Circuit Voltage Low ........... 6E-222
Diagnostic Trouble Code (DTC) P0381
(Symptom Code 8) (Flash Code 67) Glow
Plug Indicator Circuit Voltage High .......... 6E-226
DIAGNOSTIC TROUBLE CODE (DTC) P0400
(SYMPTOM CODE 3) (FLASH CODE 32)
EXHAUST GAS RECIRCULATION FLOW
EXCESSIVE DETECTED ........................ 6E-227
DIAGNOSTIC TROUBLE CODE (DTC) P0400
(SYMPTOM CODE 4) (FLASH CODE 32)
EXHAUST GAS RECIRCULATION CIRCUIT
SHORT TO GROUND OR OPEN CIRCUIT 6E-227
DIAGNOSTIC TROUBLE CODE (DTC) P0400
(SYMPTOM CODE 5) (FLASH CODE 32)
EXHAUST GAS RECIRCULATION FLOW
INSUFFICIENT DETECTED .................... 6E-227

4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–5
DIAGNOSTIC TROUBLE CODE (DTC) P0400
(SYMPTOM CODE 8) (FLASH CODE 32)
EXHAUST GAS RECIRCULATION CIRCUIT
SHORT TO BATTERY ............................ 6E-227
Circuit Description ..................................... 6E-228
Diagnostic Aids .......................................... 6E-228
Diagnostic Trouble Code (DTC) P0400
(Symptom Code 3) (Flash Code 32) Ex haust
Gas Recirculation Flow Ex cessive Detected 6E-228
Diagnostic Trouble Code (DTC) P0400
(Symptom Code 4) (Flash Code 32) Ex haust
Gas Recirculation Circuit Short to Ground or
Open Circuit ............................................. 6E-232
Diagnostic Trouble Code (DTC) P0400
(Symptom Code 5) (Flash Code 32) Ex haust
Gas Recirculation Flow Insufficient Detected 6E-235
Diagnostic Trouble Code (DTC) P0400
(Symptom Code 8) (Flash Code 32) Ex haust
Gas Recirculation Circuit Short to Battery 6E-238
DIAGNOSTIC TROUBLE CODE (DTC) P0500
(SYMPTOM CODE 1) (FLASH CODE 24)
VEHICLE SPEED SENSOR CIRCUIT HIGH
INPUT ...................................................... 6E-240
DIAGNOSTIC TROUBLE CODE (DTC) P0500
(SYMPTOM CODE A) (FLASH CODE 24)
VEHICLE SPEED SENSOR INPUT SIGNAL
FREQUENCY TOO HIGH ....................... 6E-240
DIAGNOSTIC TROUBLE CODE (DTC) P0500
(SYMPTOM CODE B) (FLASH CODE 24)
VEHICLE SPEED SENSOR INCORRECT
SIGNAL ................................................... 6E-240
Circuit Description ..................................... 6E-241
Diagnostic Aids .......................................... 6E-241
Diagnostic Trouble Code (DTC) P0500
(Symptom Code 1) (Flash Code 24) Vehicle
Speed Sensor Circuit High Input ............. 6E-241
Diagnostic Trouble Code (DTC) P0500
(Symptom Code A) (Flash Code 24)
Vehicle Speed Sensor Input Signal
Frequency Too High ................................ 6E-245
Diagnostic Trouble Code (DTC) P0500
(Symptom Code B) (Flash Code 24)
VehicleSpeed Sensor Incorrect Signal .... 6E-248
DIAGNOSTIC TROUBLE CODE (DTC) P0560
(SYMPTOM CODE 1) (FLASH CODE 35)
SYSTEM VOLTAGE TOO HIGH ............. 6E-253
DIAGNOSTIC TROUBLE CODE (DTC) P0560
(SYMPTOM CODE 2) (FLASH CODE 35)
SYSTEM VOLTAGE TOO LOW .............. 6E-253
DIAGNOSTIC TROUBLE CODE (DTC) P0560
(SYMPTOM CODE A) (FLASH CODE 35)
SYSTEM VOLTAGE MALFUNCTION ..... 6E-253
Circuit Description ..................................... 6E-253Diagnostic Aids .......................................... 6E-254
Diagnostic Trouble Code (DTC) P0560
(Symptom Code 1) (Flash Code 35)
System Voltage Too High ........................ 6E-254
Diagnostic Trouble Code (DTC) P0560
(Symptom Code 2) (Flash Code 35)
System Voltage Too Low ......................... 6E-256
Diagnostic Trouble Code (DTC) P0560
(Symptom Code A) (Flash Code 35)
System Voltage Malfunction .................... 6E-258
DIAGNOSTIC TROUBLE CODE (DTC) P0561
(SYMPTOM CODE A) (FLASH CODE 18)
IGNITION SWITCH CIRCUIT
MALFUNCTION ....................................... 6E-260
DIAGNOSTIC TROUBLE CODE (DTC) P0561
(SYMPTOM CODE B) (FLASH CODE 18)
IGNITION SWITCH CIRCUIT
MALFUNCTION ....................................... 6E-260
Circuit Description ...................................... 6E-261
Diagnostic Aids .......................................... 6E-261
Diagnostic Trouble Code (DTC) P0561
(Symptom Code A) (Flash Code 18)
Ignition Switch Circuit Malfunction ........... 6E-261
Diagnostic Trouble Code (DTC) P0561
(Symptom Code B) (Flash Code 18)
Ignition Switch Circuit Malfunction ........... 6E-261
DIAGNOSTIC TROUBLE CODE (DTC) P0602
CONTROL MODULE PROGRAMMING
ERROR .................................................... 6E-264
Circuit Description & Diagnostic Aids ........ 6E-264
Diagnostic Trouble Code (DTC) P0602
Control Module Programming Error ......... 6E-264
DIAGNOSTIC TROUBLE CODE (DTC) P0606
(SYMPTOM CODE A) (FLASH CODE 28)
ECU MALFUNCTION .............................. 6E-265
DIAGNOSTIC TROUBLE CODE (DTC) P0606
(SYMPTOM CODE B) (FLASH CODE 28)
ECU MALFUNCTION .............................. 6E-265
Circuit Description & Diagnostic Aids ........ 6E-265
Diagnostic Trouble Code (DTC) P0606
(Symptom Code A) (Flash Code 28)
ECU Malfunction ...................................... 6E-265
Diagnostic Trouble Code (DTC) P0606
(Symptom Code B) (Flash Code 28)
ECU Malfunction ...................................... 6E-267
DIAGNOSTIC TROUBLE CODE (DTC) P0645
(SYMPTOM CODE 4) (FLASH CODE 46)
A/C COMPRESSOR RELAY CIRCUIT
VOLTAGE LOW ...................................... 6E-268
DIAGNOSTIC TROUBLE CODE (DTC) P0645
(SYMPTOM CODE 8) (FLASH CODE 46)
A/C COMPRESSOR RELAY CIRCUIT
VOLTAGE HIGH ...................................... 6E-268

6E–6 4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS
Circuit Description ..................................... 6E-268
Diagnostic Aids .......................................... 6E-268
Diagnostic Trouble Code (DTC) P0645
(Symptom Code 4) (Flash Code 46) A/C
Compressor Relay Circuit Voltage Low ... 6E-269
Diagnostic Trouble Code (DTC) P0645
(Symptom Code 8) (Flash Code 46) A/C
Compressor Relay Circuit Voltage High .. 6E-272
DIAGNOSTIC TROUBLE CODE (DTC) P0703
(SYMPTOM CODE A) (FLASH CODE 25)
BRAKE SWITCH CIRCUIT MALFUNCTION 6E-273
DIAGNOSTIC TROUBLE CODE (DTC) P0703
(SYMPTOM CODE B) (FLASH CODE 25)
BRAKE SWITCH CIRCUIT MALFUNCTION 6E-273
Circuit Description ..................................... 6E-274
Diagnostic Aids .......................................... 6E-274
Diagnostic Trouble Code (DTC) P0703
(Symptom Code A) (Flash Code 25) Brake
Switch Circuit Malfunction ....................... 6E-274
Diagnostic Trouble Code (DTC) P0703
(Symptom Code B) (Flash Code 25)
Brake Switch Circuit Malfunction ............. 6E-278
DIAGNOSTIC TROUBLE CODE (DTC) P0704
(SYMPTOM CODE 6) (FLASH CODE 57)
CLUTCH SWITCH INPUT CIRCUIT
MALFUNCTION ....................................... 6E-281
Circuit Description ..................................... 6E-281
Diagnostic Aids .......................................... 6E-281
Diagnostic Trouble Code (DTC) P0704
(Symptom Code 6) (Flash Code 57)
Clutch Switch Input Circuit Malfunction ... 6E-282
DIAGNOSTIC TROUBLE CODE (DTC) P1105
(SYMPTOM CODE 1) (FLASH CODE 86)
BAROMETRIC PRESSURE SENSOR
CIRCUIT HIGH INPUT ............................ 6E-285
DIAGNOSTIC TROUBLE CODE (DTC) P1105
(SYMPTOM CODE 2) (FLASH CODE 86)
BAROMETRIC PRESSURE SENSOR
CIRCUIT LOW INPUT ............................. 6E-285
Circuit Description ..................................... 6E-285
Diagnostic Aids .......................................... 6E-285
Diagnostic Trouble Code (DTC) P1105
(Symptom Code 1) (Flash Code 86) Barometric
Pressure Sensor Circuit High Input ......... 6E-285
Diagnostic Trouble Code (DTC) P1105
(Symptom Code 2) (Flash Code 86) Barometric
Pressure Sensor Circuit Low Input .......... 6E-285
DIAGNOSTIC TROUBLE CODE (DTC) P1120
(SYMPTOM CODE 1) (FLASH CODE 21)
PEDAL/THROTTLE POSITION SENSOR
CIRCUIT HIGH INPUT ............................ 6E-287
DIAGNOSTIC TROUBLE CODE (DTC) P1120
(SYMPTOM CODE 7) (FLASH CODE 21)PEDAL/THROTTLE POSITION SENSOR
VOLTAGE SUPPLY CIRCUIT HIGH INPUT 6E-287
DIAGNOSTIC TROUBLE CODE (DTC) P1120
(SYMPTOM CODE 9) (FLASH CODE 21)
PEDAL/THROTTLE POSITION SENSOR
VOLTAGE SUPPLY CIRCUIT LOW INPUT 6E-287
DIAGNOSTIC TROUBLE CODE (DTC) P1120
(SYMPTOM CODE D) (FLASH CODE 21)
PEDAL/THROTTLE POSITION SENSOR
BRAKE SWITCH ERROR ....................... 6E-287
DIAGNOSTIC TROUBLE CODE (DTC) P1120
(SYMPTOM CODE E) (FLASH CODE 21)
PEDAL/THROTTLE POSITION SENSOR
IDLE POSITION SWITCH ERROR ......... 6E-287
Circuit Description ...................................... 6E-288
Diagnostic Aids .......................................... 6E-288
Diagnostic Trouble Code (DTC) P1120
(Symptom Code 1) (Flash Code 21)
Pedal/Throttle Position Sensor
Circuit High Input ..................................... 6E-288
Diagnostic Trouble Code (DTC) P1120
(Symptom Code 7) (Flash Code 21)
Pedal/Throttle Position Sensor Voltage
Supply Circuit High Input ......................... 6E-293
Diagnostic Trouble Code (DTC) P1120
(Symptom Code 9) (Flash Code 21)
Pedal/Throttle Position Sensor Voltage
Supply Circuit Low Input .......................... 6E-295
Diagnostic Trouble Code (DTC) P1120
(Symptom Code D) (Flash Code 21)
Pedal/Throttle Position Sensor Brake
Switch Error ............................................. 6E-298
Diagnostic Trouble Code (DTC) P1120
(Symptom Code E) (Flash Code 21)
Pedal/Throttle Position Sensor Idle
Position Switch Error ............................... 6E-300
DIAGNOSTIC TROUBLE CODE (DTC) P1173
(SYMPTOM CODE 3) (FLASH CODE 22) FUEL
REDUCTION CAUSED BY HIGH COOLANT
TEMPERATURE ...................................... 6E-302
DIAGNOSTIC TROUBLE CODE (DTC) P1173
(SYMPTOM CODE 7) (FLASH CODE 22) FUEL
REDUCTION CAUSED BY HIGH FUEL
TEMPERATURE ...................................... 6E-302
DIAGNOSTIC TROUBLE CODE (DTC) P1173
(SYMPTOM CODE A) (FLASH CODE 22) FUEL
REDUCTION CAUSED BY LOW FUEL
TEMPERATURE ...................................... 6E-302
Circuit Description ...................................... 6E-302
Diagnostic Aids .......................................... 6E-302
Diagnostic Trouble Code (DTC) P1173
(Symptom Code 3) (Flash Code 22) Fuel
Reduction Caused By High Coolant

4JA1/4JH1 ENGINE DRIVEABILITY AND EMISSIONS 6E–7
Temperature ............................................ 6E-302
Diagnostic Trouble Code (DTC) P1173
(Symptom Code 7) (Flash Code 22) Fuel
Reduction Caused By High Fuel
Temperature ............................................ 6E-305
Diagnostic Trouble Code (DTC) P1173
(Symptom Code A) (Flash Code 22) Fuel
Reduction Caused By Low Fuel
Temperature ............................................ 6E-305
DIAGNOSTIC TROUBLE CODE (DTC) P1335
(SYMPTOM CODE A)
(FLASH CODE 43) ENGINE SPEED OUTPUT
CIRCUIT MALFUNCTION ....................... 6E-306
Circuit Description ..................................... 6E-306
Diagnostic Aids .......................................... 6E-306
Diagnostic Trouble Code (DTC) P1335
(Symptom Code A) (Flash Code 43)
Engine Speed Output Circuit Malfunction 6E-307
DIAGNOSTIC TROUBLE CODE (DTC) P1345
(SYMPTOM CODE A) (FLASH CODE 45)
CAMSHAFT SPEED MALFUNCTION ..... 6E-311
Circuit Description ..................................... 6E-311
Diagnostic Aids .......................................... 6E-311
Diagnostic Trouble Code (DTC) P1345
(Symptom Code A) (Flash Code 45)
Camshaft Speed Malfunction .................. 6E-312
DIAGNOSTIC TROUBLE CODE (DTC) P1520
(SYMPTOM CODE A) (FLASH CODE 47)
NEUTRAL SWITCH ON ERROR ............ 6E-313
DIAGNOSTIC TROUBLE CODE (DTC) P1520
(SYMPTOM CODE B) (FLASH CODE 47)
NEUTRAL SWITCH OFF ERROR .......... 6E-313
Circuit Description ..................................... 6E-313
Diagnostic Aids .......................................... 6E-313
Diagnostic Trouble Code (DTC) P1520
(Symptom Code A) (Flash Code 47)
Neutral Switch ON Error .......................... 6E-314
Diagnostic Trouble Code (DTC) P1520
(Symptom Code B) (Flash Code 47)
Neutral Switch OFF Error ........................ 6E-314
DIAGNOSTIC TROUBLE CODE (DTC) P1605
(SYMPTOM CODE C) (FLASH CODE 55)
SEED AND KEY FILE DESTROYED ...... 6E-318
DIAGNOSTIC TROUBLE CODE (DTC) P1605
(SYMPTOM CODE D) (FLASH CODE 55)
EEPROM DEFECT .................................. 6E-318
DIAGNOSTIC TROUBLE CODE (DTC) P1605
(SYMPTOM CODE E) (FLASH CODE 55)
EEPROM DEFECT .................................. 6E-318
Circuit Description & Diagnostic Aids ........ 6E-318
Diagnostic Trouble Code (DTC) P1605
(Symptom Code C) (Flash Code 55)
Seed and Key File Destroyed .................. 6E-318Diagnostic Trouble Code (DTC) P1605
(Symptom Code D) (Flash Code 55)
EEPROM Defect ...................................... 6E-318
Diagnostic Trouble Code (DTC) P1605
(Symptom Code E) (Flash Code 55)
EEPROM Defect ...................................... 6E-318
DIAGNOSTIC TROUBLE CODE (DTC) P1610
(SYMPTOM CODE A) (FLASH CODE 56)
SECURITY KEY AND SECURITY CODE NOT
PROGRAMMED ...................................... 6E-320
Circuit Description ...................................... 6E-320
Diagnostic Aids .......................................... 6E-320
Diagnostic Trouble Code (DTC) P1610
(Symptom Code A) (Flash Code 56) Security
Key and Security Code Not Programmed 6E-320
DIAGNOSTIC TROUBLE CODE (DTC) P1611
(SYMPTOM CODE A) (FLASH CODE 56)
WRONG SECURITY CODE ENTERED .. 6E-322
Circuit Description ...................................... 6E-322
Diagnostic Aids .......................................... 6E-322
Diagnostic Trouble Code (DTC) P1611
(Symptom Code A) (Flash Code 56)
Wrong Security Code Entered ................. 6E-323
DIAGNOSTIC TROUBLE CODE (DTC) P1612
(SYMPTOM CODE A) (FLASH CODE 56)
IMMOBILIZER NO OR WRONG SIGNAL 6E-324
Circuit Description ...................................... 6E-324
Diagnostic Aids .......................................... 6E-324
Diagnostic Trouble Code (DTC) P1612
(Symptom Code A) (Flash Code 56)
Immobilizer No or Wrong Signal .............. 6E-325
DIAGNOSTIC TROUBLE CODE (DTC) P1613
(SYMPTOM CODE A) (FLASH CODE 56)
IMMOBILIZER NO OR WRONG SIGNAL 6E-330
Circuit Description ...................................... 6E-330
Diagnostic Aids .......................................... 6E-330
Diagnostic Trouble Code (DTC) P1613
(Symptom Code A) (Flash Code 56)
Immobilizer No or Wrong Signal .............. 6E-331
DIAGNOSTIC TROUBLE CODE (DTC) P1614
(SYMPTOM CODE A) (FLASH CODE 56)
WRONG TRANSPONDER KEY .............. 6E-335
Circuit Description ...................................... 6E-335
Diagnostic Aids .......................................... 6E-335
Diagnostic Trouble Code (DTC) P1614
(Symptom Code A) (Flash Code 56)
Wrong Transponder Key .......................... 6E-336
DIAGNOSTIC TROUBLE CODE (DTC) P1625
(SYMPTOM CODE A) (FLASH CODE 76) ECM
MAIN RELAY SWITCHED OFF
TOO EARLY ............................................ 6E-337
DIAGNOSTIC TROUBLE CODE (DTC) P1625